Connecting Rods
Dimensions
A. Center to Center B. Small End Bore C. Big End Bore D. Big End Width E. Small End Width F. Pin Length G. Pin Diameter
montesa
Dimensions (mm)
Models
Years
Con-Rod 56-968.MK1 56-968.MK2
A
B
C
D
E
F
G
OSSA 250 Trials Early MK1 OSSA 250 Trials Early MK2
120 120
11.5
11.5 11.5
24x59 11.5
59
rotax
Dimensions (mm)
Models
Years
Con-Rod
A
B
C
D
E
F
G
BT20 (0454) BT14 (0458)
56-990 56-993
132 132
17 17
17 17
57 57
sachs
Dimensions (mm)
Models
Years
Con-Rod
A
B
C
D
E
F
G
50
56-945 56-939 56-954
85
10 12 16
10 12 16
40
125 250
110 125
55.5
60
suzuki 2-Stroke Models
Dimensions (mm)
Years
Con-Rod
A
B
C
D
E
F
G
TS50 ER/X, RG50W, RM50
56-0324
80 85 85
16 16 16
22 27 27 24 26 26 25 25 25 28 28 28 28 28 30 30 30 30
12 14 14 14
12 14 14 16
40 46 46 45
16 20 20 18
RM60 RM65 RM80 RM80 RM85
2003
56-114
2003 - 05 56-114 1986 - 89 56-156 1990 - 01 56-141
93.60 18 93.50 18 93.50 18
13.96 15.96 44.70 20
2002 - 16
56-108
14 16 16 16 16
14 18 18 18 18
45 56 56 56 53 53 53 53 53 52 58
20 19 19 19 22 22 22 22 22
RM100 RM125 RM125 RM125 RM125 RM125 RM125 RM125 DR 200 RM250 RM250 RM250
1976 - 78 56-2949 1975 - 78 56-2949
100 100 100 100 105 100 102 110 116 128
18 18 18 18 19 19 19 19
1981
56-0326 56-892
1984 - 86
1987 - 96 56-924
15.85 18 15.85 18
1997 - 98
56-882
1999 - 03 56-117 2004 - 11 56-925 1986 - 00 56-0358
16 16
18 16
1986 - 95
56-988
23
20 20
20 20
24
1996 - 02 56-879 2003 - 12 56-109 1989 - 98 56-988
125.50 23
57.90 24
125 128
23 23
19.85 19.85 59.30 24
RMX 250
20
20
58
24
4-Stroke Models
Years
Con-Rod
A
B
C
D
E
F
G
RM-Z 250 RM-Z 250 DR-Z 400 RM-Z 450 RM-Z 450 RM-Z 450
2004 - 06 56-936
92.5 92.5
16 16
38 38 43 42 42 42
18
15
54.80 30 54.85 30
2007 - 16 2000 - 16
56-876 56-137
17.75 15
106.80 20 106.10 19 105.60 19 106.10 19
21.80 19.85 61.80 35 19.75 18.40 60.85 34 19.75 16.50 60.80 34 19.75 18.40 60.85 34
2005 - 07 56-136 2008 - 12 56-874
2013 - 16
56-136
tm
Dimensions (mm)
2-Stroke Models
Years
Con-Rod
A
B
C
D
E
F
G
85
2007 - 11 56-2997 2007 - 11 56-9001 2008 - 15 56-9002
125 Cross / Enduro
144
4-Stroke Models
Years
Con-Rod
A
B
C
D
E
F
G
250 FI
2013 - 15 56-9003
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